A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

A subterranean playground in an abandoned slate mine.

The stately remains of Llywelyn the Great's mighty fortress.

One of the few surviving street funiculars in the world.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

Nature puts on a spectacular show at this blowhole on the eastern side of Gran Canaria.

Centuries of human activity have forged an eerie landscape of ruins and craters on an exposed and windswept hilltop.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

These formal gardens were designed to be admired from the vantage point of the castle.

This bridge later moonlighted as a local jail.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

This historic electric train has operated with regularity since the early 1900s.

This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

A remarkable feat of Victorian engineering across the Firth of Forth.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

A massive flood devastated this seaside town, causing many to speculate about whether the government had figured out how to influence the weather.